#include<stdio.h>
#include<string.h>
int main()
{
    char a[80] = 'AB', b[80] = "LMNP";
    int i = 0;
    strcat(a, b);
    while (a[i++] != '\0')
        b[i] + a[i];
    puts(b);
    return 0;

}
